Okay so you would use the formula to find all sides which is: a2+b2=c2(pretend it’s squared, my keyboard isn’t fancy) then you would plug in the sides into the formulado it would be 5.5+x=12(everything is still squared) After simplifying the exponent you would have: 30.25+x2=144 Now you would simplify each side X2=4.33 And then cancel out the 2 Then you would get your answer
